Selected consultancy projects Marret Kramer

Rademaker Food Processing Equipment

  • Training programme for the Sales Engineering department. Implemented a new strategic vision and strengthened collaboration with all parties in the chain.

Van Oord Marine Ingenuity

  • Junior Leadership Programme (in English) for professionals aged 25-35. Every year, 15 participants and 15 personal growth projects.

  • Training programme ‘Growing into an advisory role’ for the Communications department.

Pulse Foundation for welfare and social participation

  • Training programme to equip coaches to strengthen the self-organising character of their teams.

Spirit youth and parenting services (Amsterdam metropolitan area and province of North Holland)

  • Workshops and peer supervision for in-company courses for managers and behavioural scientists.

  • Team coaching of staff to promote effective collaboration with all parties in the chain.

  • Development programmes to help departments ‘deliver their best efforts to the organisation’. Coached staff at: Human Resources, Communications, Policy, Recruitment & Selection, Facilities Unit and SpiritWerkt!

Teylingereind youth custodial institution and forensic centre

  • Dual steering improvement programme for behavioural scientists and team leaders.

Dutch Railways (NS Stations and Passengers’ Organisations)

  • Professionalisation programme for station managers and supervisors.
  • Customer-centred training for Shared Service Centre following merger between F&A and back office.
  • Various retreats and workshops for national and regional staff managers.

Municipality of The Hague

  • Workshops for an Innova development programme for managers with a bicultural background.

The Salvation Army, Amsterdam

  • Development programme for team leaders and coordinators, aimed at effective consultation and coordination.

Ministry of Justice

  • Innova management development for high potentials: Development Centres and workshops.

Rotterdam Port Authority

  • Culture change at traffic control department.


  • Coaching management and result-based work by teams, part of the in-company course for experienced managers (Leergang Ervaren Managers).
  • Designed and led several annual training courses for team leaders on ‘working together for results’.
  • Project on ‘Making work meetings more dynamic’.
  • Coached various departments and teams in customer steering, self-organisation and effective collaboration.

Elker youth and parenting services, Groningen

  • Youth care transition: training and peer supervision of newly formed regional teams.

Ballast HAM Dredging

  • Coaching Management course for front-line and second-line Performance Management.

Wielandt & Partners, Change Management and Consultancy

  • Professionalisation programme for consultants.

Synergie (IT-consultancy of Getronics)

  • Training course for experienced IT consultants.

Corus (previously Hoogovens, now Tata Steel)

  • Boosting effectiveness in self-steering teams.

Noord West Energy (previously GEB-Amsterdam)

  • Training programme for team leaders, aimed at reducing sickness absence.


Board positions

  • 1990 – present  RomolenBEEK: cooperative association for housing and working.
  • 2012 – 2017  Theater Veder Foundation: training and advisory centre for communication with vulnerable people.